Patents by Inventor Charles A. Kremers

Charles A. Kremers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for making absorbent products
    Patent number: 8497410
    Abstract: A method of making personal hygiene articles of high absorbency from cellulosic fiber pulp without chemical cross-linking of the cellulosic fibers is disclosed. The method comprises interposing a sublayer of mechanically fluffed alkali extracted cellulosic fiber pulp between a fluid permeable layer and a fluid impermeable layer.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: July 30, 2013
    Assignee: Rayonier TRS Holdings Inc.
    Inventors: Phyllis Leithem, Charles A. Kremers, W. Paul Harrell, Stephen Lewis, Karl D. Sears, Quan He, Peter R. Abitz
  • Absorbent products and methods of preparation thereof
    Patent number: 8247641
    Abstract: An improved absorbency material for absorbency applications comprised of a cellulosic fibrous material wherein said cellulosic fibrous material such as pulp is a cold alkali solution treated material at a treatment temperature of less than about 50° C.; a process for improving absorbency and other characteristics of said pulp.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: August 21, 2012
    Assignee: Rayonier TRS Holdings Inc.
    Inventors: Phyllis Leithem, Charles A. Kremers, W. Paul Harrell, Stephen Lewis, Karl D. Sears, Quan He, Peter R. Abitz
  • Absorbent products and methods of preparation thereof
    Patent number: 7919667
    Abstract: An improved absorbency material for absorbency applications comprised of a cellulosic fibrous material wherein said cellulosic fibrous material such as pulp is a cold alkali solution treated material at a treatment temperature of less than about 50° C.; a process for improving absorbency and other characteristics of said pulp.
    Type: Grant
    Filed: June 15, 1999
    Date of Patent: April 5, 2011
    Assignee: Rayonier TRS Holdings Inc.
    Inventors: Phyllis Leithem, Charles A. Kremers, W. Paul Harrell, Stephen Lewis, Karl D. Sears, Quan He, Peter R. Abitz
  • Absorbent products and methods of preparation thereof
    Publication number: 20020096276
    Abstract: An improved absorbency material for absorbency applications comprised of a cellulosic fibrous material wherein said cellulosic fibrous material such as pulp is a cold alkali solution treated material at a treatment temperature of less than about 50° C.; a process for improving absorbency and other characteristics of said pulp.
    Type: Application
    Filed: May 16, 2001
    Publication date: July 25, 2002
    Inventors: Phyllis Leithem, Charles A. Kremers, W. Paul Harrell, Stephen Lewis, Karl D. Sears, Quan He, Peter R. Abitz